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NASDAQ:MU 15 May 2026 - 27 May 2026

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U.S. Stocks Hit Records This Week — Why the S&P 500 and Nasdaq Rally Survived the Oil Shock

Futures Edge Up With AI Still in Focus Ahead of the Open

Stock index futures pushed higher early Wednesday, driven by continued AI enthusiasm and gains in chip names ahead of the open. At 04:42 a.m. ET, Dow e-minis had added 195 points, or 0.39%. S&P 500 e-minis were up 21 points, or 0.28%. Nasdaq 100 e-minis rose 134 points, or 0.45%. The moves followed fresh record closes for both the S&P 500 and Nasdaq on Tuesday.
27 May 2026
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S&P 500, Nasdaq post record closes as AI stocks drive after-hours action

S&P 500, Nasdaq post record closes as AI stocks drive after-hours action

Stock-index funds in the U.S. moved up late Tuesday after both the S&P 500 and Nasdaq Composite ended at fresh records. The S&P 500 was up 0.61% to 7,519.12, the Nasdaq climbed 1.19% to 26,656.18, and the Dow Jones Industrial Average slipped 0.23% to 50,461.68. Chris Zaccarelli, chief investment officer at Northlight Asset Management, called this year’s tech gains “reminiscent of the boom at the end of the 1990s.” Adam Sarhan at 50 Park Investments said Middle East tensions still seemed likely to “resolve itself in a peaceful fashion sooner rather than later.”
27 May 2026
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Why POET Technologies Stock Jumped After a $50 Million Lumilens AI Optics Order

POET Technologies’ $400 Million Question: Why the Stock Is Falling While Chip Shares Rally

POET Technologies Inc. shares fell about 7.7% to $13.46 in Tuesday afternoon trading, bucking a broad chip rally as investors kept pressure on the AI photonics company after its recent stock-and-warrant financing. The shares traded between $13.14 and $15.44 after opening at $15.00, with nearly 35 million shares changing hands, while the iShares Semiconductor ETF rose about 5.5%.
26 May 2026
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Micron Shares Swing, Investors Eye AI-Memory Challenge Next Week

Micron Shares Swing, Investors Eye AI-Memory Challenge Next Week

Micron Technology starts this holiday-shortened week with shares giving back some ground after recent gains. The stock finished Friday at $751.00, down 1.46% for the session, though still up roughly 3.6% from last week’s close. Investors this week are weighing a fresh U.S. manufacturing achievement for the company against concerns that the AI-memory trade has maybe gone too far, too soon. Shares fell Monday before bouncing midweek.
24 May 2026
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Micron Faces Key Monday After Volatile Week

Micron Faces Key Monday After Volatile Week

Micron Technology shares go into the week battered but still a key AI play for Wall Street. The stock dropped 6.6% Friday, closing at $724.66, after hitting a high of $818.67 earlier in the week. That ended its streak of record closes. Micron had finished Wednesday at $803.63. Shares ended the week about 3% lower than the May 8 close. U.S. equity markets are shut for the weekend.
17 May 2026
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